Digital And Film X-ray

20 Questions | Total Attempts: 131

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Digital And Film X-ray

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Questions and Answers
  • 1. 
    The moire effect is a grid error that occurs when using......
    • A. 

      Stationary grid

    • B. 

      Moving grid

    • C. 

      Rotating anode

    • D. 

      Stationary anode

  • 2. 
    MAs is selected according to 
    • A. 

      The number of photons needed

    • B. 

      The amount of penetration needed

    • C. 

      The patients skin color

    • D. 

      The type of machine you are using

  • 3. 
    What does TFT stand for?
    • A. 

      Thin film transistor

    • B. 

      Thin filament type

    • C. 

      Thin film transmitter

    • D. 

      Thin filament twining

  • 4. 
    The TFTs surface has a thin layer of what on it?
    • A. 

      Amorphous selenium

    • B. 

      Titanium oxide

    • C. 

      Tungsten

    • D. 

      Molybdenum

  • 5. 
    Which type of detector uses a scintillator?
    • A. 

      Indirect acquisition

    • B. 

      Direct acquisition

  • 6. 
    Pixels are...
    • A. 

      Basic picture element

    • B. 

      Square table of numbers

    • C. 

      Three dimensional volume

    • D. 

      A movie starring Adam Sandler

  • 7. 
    A matrix is.....
    • A. 

      Square table of numbers

    • B. 

      A picture element

    • C. 

      A three dimensional volume correlating to each pixel

    • D. 

      A place you are stuck in till you take the red pill

  • 8. 
    What is the term for the amount of recorded detail in digital images?
    • A. 

      Spatial resolution

    • B. 

      RD

    • C. 

      Sharpness

    • D. 

      DR detail

  • 9. 
    Which has higher spatial resolution?
    • A. 

      Film/screen

    • B. 

      DR

    • C. 

      CR

    • D. 

      3DR

  • 10. 
    What typically causes quantum mottle?
    • A. 

      Low mAs

    • B. 

      Low kvp

    • C. 

      High kvp

    • D. 

      Not enough seconds

  • 11. 
    Window level adjusts what?
    • A. 

      Brightness

    • B. 

      Contrast

    • C. 

      Spatial resolution

    • D. 

      Matrix

  • 12. 
    Window width adjusts what?
    • A. 

      Contrast

    • B. 

      Brightness

    • C. 

      Spatial resolution

    • D. 

      Matrix size

  • 13. 
    Shuttering is...
    • A. 

      Electronic collimation

    • B. 

      Error with machine

    • C. 

      Repeat exposure

    • D. 

      Melding of images together into a complete larger picture

  • 14. 
    Which healthcare information system holds the radiology-specific information (scheduling and patient data)?
    • A. 

      RIS

    • B. 

      HIS

    • C. 

      PACS

    • D. 

      DICOM

  • 15. 
    Fixing an xray film will...
    • A. 

      Remove silver halides

    • B. 

      Dry the film

    • C. 

      Add silver halides

    • D. 

      Clean the film

  • 16. 
    Film X-rays are stored for how many years
    • A. 

      5 - 7 years

    • B. 

      10 - 12 years

    • C. 

      6 - 8 years

    • D. 

      3 - 4 years

  • 17. 
    The first automatic processor was developed by what company?
    • A. 

      Kodak

    • B. 

      General Electric

    • C. 

      Phillips

    • D. 

      Halogic

  • 18. 
    How many feet from your work station should your safelight be in the dark room?
    • A. 

      4 feet

    • B. 

      10 feet

    • C. 

      8 feet

    • D. 

      6 feet

  • 19. 
    PSP stands for .....
    • A. 

      Photostimulable phosphor plate

    • B. 

      Phosphoricstimulable plate

    • C. 

      Photostimulable populating plate

    • D. 

      Playstation portable

  • 20. 
    Soft-copy Display is
    • A. 

      Images on a monitor

    • B. 

      Laser prints

    • C. 

      Film

    • D. 

      CD

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